docs(ctb): Some commenting fixes

packages/contracts-bedrock/src/Safe/LivenessModule.sol

@@ -75,10 +75,9 @@ contract LivenessModule is ISemver {
         // Calculate the new threshold
         address[] memory owners = SAFE.getOwners();
         uint256 numOwnersAfter = owners.length - 1;
-        uint256 thresholdAfter;
         if (_isAboveMinOwners(numOwnersAfter)) {
             // Call the Safe to remove the owner and update the threshold
-            thresholdAfter = get75PercentThreshold(numOwnersAfter);
+            uint256 thresholdAfter = get75PercentThreshold(numOwnersAfter);
             address prevOwner = _getPrevOwner(owner, owners);
             _removeOwner({ _prevOwner: prevOwner, _owner: owner, _threshold: thresholdAfter });
         } else {

packages/contracts-bedrock/src/Safe/SafeSigners.sol

@@ -53,10 +53,10 @@ library SafeSigners {
     {
         _owners = new address[](requiredSignatures);
 
-        /// The following code is extracted from the Safe.checkNSignatures() method. It removes the signature
-        /// validation code, and keeps only the parsing code necessary to extract the owner addresses from the
-        /// signatures. We do not double check if the owner derived from a signature is valid. As this is handled
-        /// in the final require statement of Safe.checkNSignatures().
+        // The following code is extracted from the Safe.checkNSignatures() method. It removes the signature
+        // validation code, and keeps only the parsing code necessary to extract the owner addresses from the
+        // signatures. We do not double check if the owner derived from a signature is valid. As this is handled
+        // in the final require statement of Safe.checkNSignatures().
         address currentOwner;
         uint8 v;
         bytes32 r;

packages/contracts-bedrock/test/safe-tools/CompatibilityFallbackHandler_1_3_0.sol

@@ -8,7 +8,8 @@ import "safe-contracts/interfaces/IERC165.sol";
 import "safe-contracts/interfaces/ISignatureValidator.sol";
 import { Safe as GnosisSafe } from "safe-contracts/Safe.sol";
 
-/// @dev NOTE: removed VERSION and NAME due to inheritance conflicts
+/// @author: Colin Nielsen
+///      https://github.com/colinnielsen/safe-tools/blob/ce6c654a76d91b619ab7778c77d1a76b3ced6666/src/CompatibilityFallbackHandler_1_3_0.sol
 contract DefaultCallbackHandler is ERC1155TokenReceiver, ERC777TokensRecipient, ERC721TokenReceiver, IERC165 {
     function onERC1155Received(
         address,